<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 老师管理
 *
 * @icon fa fa-circle-o
 */
class Teachers extends Backend
{

    /**
     * Teachers模型对象
     * @var \app\admin\model\Teachers
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Teachers;

    }

    public function import()
    {
        parent::import();
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 添加
     */
    public function rate()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            $value = \think\Db::query("select * from fa_config_value where `key` = 'teacher_rate'");
            if(empty($value)){
                \think\Db::execute("INSERT INTO `fa_config_value`(`key`, `value`) VALUES ('teacher_rate', '{$params['rate']}')");
            }else{
                \think\Db::execute("UPDATE `fa_config_value` SET `value` = '{$params['rate']}' WHERE `key` = 'teacher_rate'");
            }
            $this->success();
        }
        $value = \think\Db::query("select * from fa_config_value where `key` = 'teacher_rate'");
        $this->view->rate = $value[0]['value']??0;
        return $this->view->fetch();
    }

    /**
     * 查看
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit)->toArray();
            $datas = $list['data'];
            foreach ($datas as $k => $v){
                $datas[$k]['num'] = \think\Db::table('fa_teachers_openid')->where("teacher_id = '{$v['id']}'")->count();
            }
            $result = array("total" => $list['total'], "rows" => $datas);

            return json($result);
        }
        return $this->view->fetch();
    }


}
